#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main()
{
	int i = 5;
	//int j = i / 2;	//2
	float j = i / 2;	//2.000000
	float k = (float)i/2;	//2.500000

	printf("j=%f,k=%f", j,k);
	return 0;
}